Solved

Silverlight 4001 error

Posted on 2010-08-13
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1,315 Views
Last Modified: 2013-11-29
Player will load but reports error 4001 "could not open media file"

This only happens on PC running Win7 64-bit with IE 8 32-bit

I can launch the wmv directly from the path..say...http://www.mydomain.com/silverlightvideos/alpha.wmv

But silverlight gives the above error...

....please help
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Question by:BigBadWolf_000
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7 Comments
 
LVL 18

Expert Comment

by:hopeleonie
ID: 33437196
Is the source URL valid?
Can you post the Website link?
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LVL 18

Expert Comment

by:hopeleonie
ID: 33437220
http://www.mydomain.com/silverlightvideos/alpha.wmv

get the error :
404
Page not Found
You will be redirected to the home page momentarily
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LVL 14

Author Comment

by:BigBadWolf_000
ID: 33437325
That was just an example. Problem is not with the site or link....I can view the video through Silverlight ok in Windows XP and other Windows 7 64-bit (with IE8 32-bit) PCs.
Its just this one PC with Win7-64..However it works if I disable UAC.
But on the other PCs it works with UAC enabled

I have Zonealarm installed on the PC with the problem, but when I disable ZA it still wont work. I will try uninsatiing ZA and see i it helps
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Accepted Solution

by:
hopeleonie earned 500 total points
ID: 33437347
Yes maybe Zonealarm.
When you still have problems reset the IE (or Browser) settings.

Had the same issue ones.

Good luck
Leonie
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LVL 14

Author Comment

by:BigBadWolf_000
ID: 33437494
Uninstalled ZA. Problem still exists. But when I disable UAC then it will play. I think its an issue to where it caches the file and UAC does not give it access since I have moved several data and cache folders to another drive. I guess for now I will work with it with UAC disabled and ZA Enabled :)

Thanks for your response.
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LVL 14

Author Closing Comment

by:BigBadWolf_000
ID: 33437533
I dont believe this can be resolved without me putting all Windows data/cache/temp settings back to their default locations. I am awarding Leonie points cause I feel resetting IE settings to default is part of the Windows reset.
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LVL 18

Expert Comment

by:hopeleonie
ID: 33437549
Thanks BigBadWolf_000
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